The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 22, 2013

Filed:

Feb. 09, 2011
Applicants:

Yukio Isowaki, Saku, JP;

Tomoyuki Hasegawa, Saku, JP;

Hiroyuki Maruta, Saku, JP;

Tadashi Otagiri, Nagaya, JP;

Inventors:

Yukio Isowaki, Saku, JP;

Tomoyuki Hasegawa, Saku, JP;

Hiroyuki Maruta, Saku, JP;

Tadashi Otagiri, Nagaya, JP;

Assignees:

Soshin Electric Co., Ltd., Saku-Shi, JP;

NGK Insulators, Ltd., Nagoya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

It is provided a composite electronic part having magnetic material and dielectric material and made by co-sintering at a temperature of 1000° C. or lower. The magnetic material comprises a ferrite comprising 46 to 48 mol % of FeO, 0.1 to 36 mol % of ZnO, 10 to 14 mol % of CuO and the balance being NiO. The dielectric material has a dielectric constant of 1000 or higher, and comprises a barium titanate based dielectric material to which 0.5 to 4.0 weight parts of CuO and 4.0 to 9.0 weight parts of BiOare added with respect to 100 weight parts of the barium titanate based dielectric material.


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